1Heat oven to 375°F. In ungreased 8-inch square (2-quart) glass baking dish, mix frozen berries, sugar and flour until fruit is coated.
2Bake uncovered 20 minutes. Stir fruit mixture. Sprinkle with granola.
3Bake 15 to 20 minutes longer or until light golden brown and bubbly. Let stand 5 to 10 minutes before serving. Serve warm with ice cream.